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The 1^(st) point of trisection of segmen...

The `1^(st)` point of trisection of segment joining (3,-1,2) and (9,5,2)

A

(5,1,5)

B

(5,1,2)

C

(5,1,4)

D

(4,1,6)

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The correct Answer is:
B
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AAKASH SERIES-3D-COORDINATE SYSTEM-EXERCISE-1
  1. The point A(2,9,12), B(1,8,8),C(-2,11,8) and D(-1,12,12) form

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  2. The point A(5,-1,1), B(7,-4,7), C(1,-6,10), D(-1,-3,4) form

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  3. The 1^(st) point of trisection of segment joining (3,-1,2) and (9,5,2)

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  4. The ratio in which the line segmet joining the points (2,-4,3) and (-4...

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  5. XOZ plane divides the join of (2,3,1 ) and (6,7,1 ) in the ratio

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  6. Points A(3,2,4), B (33/8,28/5,38/5) and C(9,8,10) are given. The ratio...

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  7. The harmonic conjugate of (2,3,4) with respect to the points (3,-2,2),...

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  8. If the joining A(1,3,4) and B is divided by the point (12,3,5) in the ...

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  9. If the xicoordinate of 'p' on the join of Q(2,2,1) and R(5,2,-2) is 4,...

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  11. If (2,1,3), (3,2,5),(1,2,4) are the mid points of the sides BC,CA,AB, ...

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  12. In a Delta ABC the mid points of the sides AB, BC,CA are respectively ...

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  13. The point (2,-1,3) is the centroid of the triangle formed by the point...

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  14. If (2,k,-1) is the centroid of the triangle with vertices (2,-1,2) (1...

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  15. D(2,1,0) E(2,0,0) F(0,1,0) are mid points of the sides BC,CA,AB of Del...

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  16. If the centriod of a triangle formed by the points (a,0,0),(0,b,0),(0,...

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  17. In a Delta ABC vertex A, mid point of BC are (1,2,3) and (5/2,-5/2,0) ...

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  18. The centroid of the tetrahedron ABCD divides the line joining the ver...

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  19. If the xicoordinate of 'p' on the join of Q(2,2,1) and R(5,2,-2) is 4,...

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  20. A point Q is at a distance 3 from the point P (1,1,1) lying on the lin...

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